We tweak the ECU on this 2009 Chevy Cobalt SS and get some pretty impressive horsepower gain! Only at www.gmhightechperformance.com, the official site for GM High-Tech Performance Magazine.

With a boosted four-cylinder Ecotec pumping out almost 2,000 ponies, this front-wheel drive Chevrolet Cobalt drag racer runs the quarter mile deep in the 7's.